Home / 115,020.83-172,548.66-36,127.64

Finding the Fourth Proportional to 115,020.83, 172,548.66 and 36,127.64

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Solution

The fourth proportional to 115,020.83, 172,548.66 and 36,127.64 is: 54,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,020.83 : 172,548.66 = 36,127.64 : x
  2. Step 2: Convert to fraction form
    115,020.83/172,548.66 = 36,127.64/x
  3. Step 3: Cross multiply
    115,020.83x = 172,548.66 × 36,127.64
  4. Step 4: Simplify right side
    115,020.83x = 6,233,775,870.96
  5. Step 5: Solve for x
    x = 6,233,775,870.96/115,020.83
  6. Step 6: Final answer
    x = 54,196.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.